Remove unused CMake find modules

CMake/modules/FindEGL.cmake

@@ -1,16 +0,0 @@
-# Find EGL
-#
-# EGL_INCLUDE_DIR
-# EGL_LIBRARY
-# EGL_FOUND
-
-find_path(EGL_INCLUDE_DIR NAMES EGL/egl.h PATHS /opt/vc/include)
-
-set(EGL_NAMES ${EGL_NAMES} egl EGL libEGL)
-find_library(EGL_LIBRARY NAMES ${EGL_NAMES} PATHS /opt/vc/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(EGL DEFAULT_MSG EGL_LIBRARY EGL_INCLUDE_DIR)
-
-mark_as_advanced(EGL_INCLUDE_DIR EGL_LIBRARY)
-

CMake/modules/FindGLESv1.cmake

@@ -1,16 +0,0 @@
-# Find GLESv1
-#
-# GLESv1_INCLUDE_DIR
-# GLESv1_LIBRARY
-# GLESv1_FOUND
-
-find_path(GLESv1_INCLUDE_DIR NAMES GLES/gl.h PATHS /opt/vc/include)
-
-set(GLESv1_NAMES ${GLESv1_NAMES} GLESv1_CM libGLES_CM)
-find_library(GLESv1_LIBRARY NAMES ${GLESv1_NAMES} PATHS /opt/vc/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GLESv1 DEFAULT_MSG GLESv1_LIBRARY GLESv1_INCLUDE_DIR)
-
-mark_as_advanced(GLESv1_INCLUDE_DIR GLESv1_LIBRARY)
-

CMake/modules/FindGLESv2.cmake

@@ -1,16 +0,0 @@
-# Find GLESv2
-#
-# GLESv2_INCLUDE_DIR
-# GLESv2_LIBRARY
-# GLESv2_FOUND
-
-find_path(GLESv2_INCLUDE_DIR NAMES GLES2/gl2.h PATHS /opt/vc/include)
-
-set(GLESv2_NAMES ${GLESv2_NAMES} GLESv2 libGLESv2)
-find_library(GLESv2_LIBRARY NAMES ${GLESv2_NAMES} PATHS /opt/vc/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GLESv2 DEFAULT_MSG GLESv2_LIBRARY GLESv2_INCLUDE_DIR)
-
-mark_as_advanced(GLESv2_INCLUDE_DIR GLESv2_LIBRARY)
-